Why Is Water Considered a Polar Molecule

question 27

Multiple Choice

Why is water considered a polar molecule?

• A) The oxygen is found between the two hydrogens.
• B) The oxygen atom attracts the hydrogen atoms.
• C) The oxygen end of the molecule has a slight negative charge, and the hydrogen end has a slight positive charge.
• D) Both hydrogens are at one end of the molecule, and oxygen is at the other end.

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Definitions:

Normal Distribution

A distribution of probability that is even around the average, indicating that observations close to the mean are more common than those further away.

Chi-Square Distribution

A statistical distribution used for hypothesis testing that is derived from the sum of squared variables that follow a normal distribution.

Chi-Square Distribution

The chi-square distribution is a statistical distribution used in hypothesis testing that is applicable to variables measured on a nominal scale, primarily for goodness-of-fit and independence tests.

Test Statistic

A numerical value calculated from a sample and used in hypothesis testing to evaluate the plausibility of the null hypothesis.